檢(jian)(jian)(jian)驗(yan)彎(wan)(wan)板(ban)用途(tu)：主要用于高度(du)(du)(du)機械和儀器檢(jian)(jian)(jian)驗(yan)和機床之(zhi)間不(bu)垂(chui)直(zhi)度(du)(du)(du)的(de)(de)檢(jian)(jian)(jian)查. 檢(jian)(jian)(jian)驗(yan)工件(jian)的(de)(de)90°角，維修(xiu)設備(bei)時檢(jian)(jian)(jian)驗(yan)零部(bu)件(jian)相(xiang)關表面(mian)(mian)的(de)(de)相(xiang)互垂(chui)直(zhi)度(du)(du)(du)，還經(jing)(jing)常用于鉗工劃線(xian)。檢(jian)(jian)(jian)驗(yan)彎(wan)(wan)板(ban)材(cai)質(zhi)：高強(qiang)度(du)(du)(du)鑄鐵(tie)HT200-300工作面(mian)(mian)硬度(du)(du)(du)為HB170-240，經(jing)(jing)過兩次(ci)人工處理（人工退(tui)火600度(du)(du)(du)-700度(du)(du)(du)和自然(ran)時效2-3年(nian)）使(shi)(shi)用該(gai)產品(pin) 的(de)(de)度(du)(du)(du)穩定，耐磨(mo)性(xing)能好。檢(jian)(jian)(jian)驗(yan)彎(wan)(wan)板(ban)一(yi)(yi)般(ban)(ban)度(du)(du)(du)：可以(yi)分為000級(ji)、00級(ji)、0級(ji)、1級(ji)、2級(ji)、3級(ji)。選用度(du)(du)(du)標準時一(yi)(yi)般(ban)(ban)根據使(shi)(shi)用情(qing)況酌(zhuo)情(qing)而定。3級(ji)度(du)(du)(du)以(yi)上的(de)(de)彎(wan)(wan)板(ban)用做檢(jian)(jian)(jian)驗(yan)、劃線(xian)、裝配等使(shi)(shi)用，4級(ji)度(du)(du)(du)以(yi)下的(de)(de)彎(wan)(wan)板(ban)一(yi)(yi)般(ban)(ban)用做鉚焊等使(shi)(shi)用